Back rest for benches



FIG. 1 is a front plan view of my back rest for benches;

FIG. 2 is a top plan view of the back rest of FIG. 1, the bottom plan view being identical thereto;

FIG. 3 is a left side view of the back rest of FIG. 1, the right side view being identical thereto; and,

FIG. 4 is a rear plan view of the back rest of FIG. 1. 

The ornamental design for a back rest for benches, as shown and described. 